Question

I have a site example.com. When I visit this page example.com/#login I want to call a js alert function. How can I do this?

Answer 1

// example.com/#login
if (window.location.hash) {
    alert("URL has hash");
    var hash = window.location.hash; // = "#login"
    callMyFunction();
}

Answer 2

如果你想要一个好的交叉浏览器图书馆来处理ur,我就看历史。 j)

https://github.com/browserstate/History.js/

History.Adapter.bind(window, statechange ,function(){ 
    // Note: We are using statechange instead of popstate
    var State = History.getState(); 
    // Note: We are using History.getState() instead of event.state
    History.log(State.data, State.title, State.url);
});

也有回头巾,这可能比你需要的要多,因为它具有MV*框架,但这一概念也有帮助。

http://backbonejs.org/#Router

Answer 3

You can check the URL for #login. If it s present call the function. http://www.webmasterworld.com/forum91/216.htm

I recommend jQuery, and this approach: http://jquery-howto.blogspot.co.uk/2009/09/get-url-parameters-values-with-jquery.html

Answer 4

我认为,你可以检查<代码>window. place.hash。如果在《URL》中有一根 has子,则无一可查的价值。

例如:

function someAlert(message) {
    // This would be your alert function. This is just for example
    alert(message);
}
// The "if the URL has a hash":
if (window.location.hash) {
    someAlert("Hello URL with a hash visitor!"); // "Hello URL with a hash visitor!" can be whatever you want
}

如果你想挽救 has后的任何东西,包括 has子,那么就应当做到:

var hash = window.location.hash; // hash would be "#login" if the URL was http://example.com/#login

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